Abstract: The present invention relates to a novel preparation method that can be advantageously utilized for the synthesis of a xanthine oxidase inhibitor of Chemical Formula 1.

Abstract: Disclosed herein are a network environment synchronization apparatus and method. The network environment synchronization apparatus includes one or more processors, and execution memory for storing at least one program that is executed by the one or more processors, wherein the at least one program is configured to collect data from a network environment and generate a management structure in which collected data is distributed into preset respective group units, generate data discriminators for respective group units using a preset hash function, determine whether data of the management structure has changed with reference to data newly collected from the network environment based on the data discriminators, and when it is determined whether data of the management structure has changed, update the data of the management structure with the newly collected data.

Abstract: Provided is a method of preparing an N-acetyl dipeptide and an N-acetyl amino acid, the method including producing the N-acetyl dipeptide and the N-acetyl amino acid by reaction of an amino acid with acetic anhydride or acetyl chloride.

Abstract: An image processor, and an image processing method, includes an acquirer configured to acquire first pixel data from a first pixel group corresponding to a first color, and acquire second pixel data and third pixel data from a second pixel group and a third pixel group, respectively, which are arranged on both sides of the first pixel group and correspond to a second color. The image processor also includes a determiner configured to determine one of second pixel data and third pixel data as interpolation reference data using different schemes depending on a type of edge detected based on a difference in the first color and the second color in an image region corresponding to the first pixel data. The image processor further includes an interpolator configured to interpolate a part of the first pixel data to correspond to the second color based on interpolation reference data.

Abstract: A storage device may determine write throughput based on a plurality of write commands received from the outside of the storage device, and write target data write-requested from the outside to a first memory area including one or more of a plurality of first type memory blocks or a second memory area including one or more of a second type memory blocks according to whether the write throughput is greater than or equal to a threshold throughput. The first type memory blocks may operate at a higher speed than the second type memory blocks.

Abstract: A method for verifying reliability of an artificial intelligence (AI) model includes receiving an AI model request; creating a verification twin for evaluating the reliability of the AI model; and verifying the reliability of the AI model based on information collected while the AI model is executed on the digital twin network.

Abstract: A storage device may load, between a first time point at which information on candidate memory regions among a plurality of memory regions is started to be sent to an external device and a second time point at which a command requesting a map segment for a target memory region among the plurality of memory regions is received from the external device, all or a part of map segments corresponding to the candidate memory regions into a buffer.

Abstract: A method for generating a key stream according to an embodiment includes generating r round keys that are each N-dimensional integer vectors including elements of an integer set defined based on a prime number t, based on a random bit string, an encryption counter, and a secret key that is an N-dimensional integer vector consisting of elements of the integer set , generating a first round output vector x1 by performing a modular addition operation on an initial vector and a first round key RK1 of the r round keys with the prime number t as a modulus, and generating a key stream that is an N-dimensional integer vector consisting of elements of the integer set from the first round output vector x1 by using a second to r-th round keys of the r round keys, and one or more first round functions and a second round function.

Abstract: A storage device may get a timestamp when a timestamp getting condition is satisfied, may determine a retention time of a target super memory block according to time information calibrated on the basis of the timestamp, and may determine whether to select the target super memory block as a victim memory block for a target operation, on the basis of the determined retention time.

Abstract: A memory system and an operating method thereof are disclosed. An operating method of a memory system including a nonvolatile memory device and a controller configured to control the nonvolatile memory device includes the controller updating original data of firmware stored in the nonvolatile memory device, the controller transmitting a notification signal, which notifies a host device of completion of the updating of the original data, to the host device when the updating of the original data is completed, and the controller updating backup data of the firmware stored in the nonvolatile memory device after the notification signal is transmitted.

Abstract: A variable displacement swash plate type compressor control method and a variable displacement swash plate type compressor controlled thereby may include a first determination step of determining whether liquid refrigerant exists within the variable displacement swash plate type compressor; a first operation step of applying power to the field coil assembly and of not applying current to the electronic control valve, when it is determined in the first determination step S1 that the liquid refrigerant exists; a second determination step of comparing an elapsed period of time of operating in the first operation step with a predetermined reference time; and a second operation step of maintaining the power applied in the first operation step to the field coil assembly and applying current to the electronic control valve when the elapsed period of time is greater than or equal to the reference time.

Abstract: An encoding apparatus extracts features of an image by applying multiple padding operations and multiple downscaling operations to an image represented by data and transmits feature information indicating the features to a decoding apparatus. The multiple padding operations and the multiple downscaling operations are applied to the image in an order in which one padding operation is applied and thereafter one downscaling operation corresponding to the padding operation is applied. A decoding method receives feature information from an encoding apparatus, and generates a reconstructed image by applying multiple upscaling operations and multiple trimming operations to an image represented by the feature information. The multiple upscaling operations and the multiple trimming operations are applied to the image in an order in which one upscaling operation is applied and thereafter one trimming operation corresponding to the upscaling operation is applied.

Abstract: The present disclosure provides a method and a device for encoding/decoding a multi-scale feature group. A multi-scale feature group encoding method according to the present disclosure includes transforming a multi-scale feature group into a multi-channel feature; adjusting the number of channels of the multi-channel feature; acquiring a plane image based on a feature that the number of channels is adjusted; and encoding the plane image.

Abstract: A data storage device may include a storage and a controller. The storage a storage including a first region of a first physical address range and a second region of a second physical address range. The controller may generate map data including a plurality of map segments, a first segment entry and a second segment entry, and store, in the second region, the map data except for a first map segment. Each of the map segments includes a set of physical addresses corresponding to a plurality of sequential logical addresses. The first segment entry includes a first segment physical address associated with the first map segment and belonging to the first physical address range, and the second segment entry includes a second segment physical address associated with a second map segment and belonging to the second physical address range.

Abstract: An apparatus for inspecting a display panel includes a light source, a half mirror reflecting a first beam which is a portion of a source beam irradiated from the light source and transmitting a second beam which is another portion of the source beam toward a display panel, a reflective mirror reflecting the second beam transmitting the half mirror and the display panel to return to the half mirror, a panel supporter supporting the display panel between the half mirror and the reflective mirror, a wave plate disposed between the half mirror and the reflective mirror and transmitting the second beam, a rotator rotating the wave plate at a predetermined angle and an imaging detector photographing an interference fringe by the first beam and the second beam.

Abstract: Disclosed herein are a method, an apparatus, and a storage medium for encoding/decoding a multi-resolution feature map. In an aspect, there is provided an encoding method, including extracting feature maps from an input image, performing packing on the extracted feature maps, and performing encoding on the packed feature maps, wherein the feature maps include multiple feature maps having different resolutions. In another aspect, there is provided a decoding method, including generating packed feature maps by decoding an input bitstream, and generating a multi-resolution feature map by performing unpacking on the packed feature maps, wherein the multi-resolution feature map includes multiple feature maps having different resolutions.

Abstract: Disclosed herein are a method, an apparatus, and a storage medium for encoding/decoding a feature map for machine vision. In an embodiment, an encoding method includes generating a multi-channel feature map by aligning multiple feature maps, generating a converted feature map by performing conversion on the multi-channel feature map and performing encoding on the converted feature map.

Abstract: An encoding apparatus extracts features of an image by applying multiple padding operations and multiple downscaling operations to an image represented by data and transmits feature information indicating the features to a decoding apparatus. The multiple padding operations and the multiple downscaling operations are applied to the image in an order in which one padding operation is applied and thereafter one downscaling operation corresponding to the padding operation is applied. A decoding method receives feature information from an encoding apparatus, and generates a reconstructed image by applying multiple upscaling operations and multiple trimming operations to an image represented by the feature information. The multiple upscaling operations and the multiple trimming operations are applied to the image in an order in which one upscaling operation is applied and thereafter one trimming operation corresponding to the upscaling operation is applied.

Abstract: Disclosed herein are a method and apparatus for compressing learning parameters for training of a deep-learning model and transmitting the compressed parameters in a distributed processing environment. Multiple electronic devices in the distributed processing system perform training of a neural network. By performing training, parameters are updated. The electronic device may share the updated parameter thereof with additional electronic devices. In order to efficiently share the parameter, the residual of the parameter is provided to the additional electronic devices. When the residual of the parameter is provided, the additional electronic devices update the parameter using the residual of the parameter.

Abstract: An information display apparatus may include a processor configured to display a display object in augmented reality; and a storage configured to store data and algorithms driven by the processor, wherein the processor determines a position of the display object by use of at least one of a total number of lanes or a number of lanes in a road in a driving direction of a host vehicle, possible traveling direction information for each lane, and driving direction information related to the host vehicle, and the information display apparatus is disposed within a vehicle or outside the vehicle, and when disposed outside the vehicle, is configured to transmit display information related to the display object to the vehicle or a mobile device.